Determine the rainfall depth and average intensity fora 25-year, 1 hour storm in College Station, TX; anda 25-year, 2 hour storm in College Station, TX

Answered: Determine the rainfall depth and…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

Determine the rainfall depth and average intensity for

a 25-year, 1 hour storm in College Station, TX; and
a 25-year, 2 hour storm in College Station, TX

Expert Solution

Step 1-Determine the rainfall depth and average intensity

a)Given:

Time= 25 year

Storm Duration=1 hour

From Graph, the Average rainfall Intensity (I)=1.5in/yr

So,the Average annual Rainfall is occur.

Calculate the depth of rainfall:

$I n t e n s i t y o f r a i n f a l l = \frac{D e p t h o f r a i n f a l l}{T i m e r e t u r n p e r i o d} 1.5 = \frac{D e p t h o f r a i n f a l l}{25} D e p t h o f r a i n f a l l = 37.5 i n c h$

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